Suggested Use: 6 drops times daily or as directed by your medical practitioner. For more serious conditions: Take one drop for every kilogram of body weight daily.

NOTE:  A great substitute providing immune supportive beta-glucans for those who can not swallow capsules and for children. Sweet mushroom taste is due to the natural flavor of maitake, which makes it pleasant to take.

Maitake D-Fraction® Pro 4X is 4 times the potency of regular strength Maitake D-Fraction and thus is provided by medical professionals who need to provide their patients with a stronger option for immune support.  Maitake D-Fraction is a proprietary extract from the Maitake mushroom (Grifola frondosa), is one of nature's most potent and effective immune system supporting constituents.* It is a unique protein-bound Beta-1,3/1,6 glucan that research has shown to support overall healthy immune function.*

Maitake D-Fraction Pro® is standardized form of pure and active Proteoglucan, specially developed to be optimal for oral administration.

Maitake D-Fraction Pro® contains 3,000 mg of standardized extract from Maitake mushroom (PD-Fraction®) in alcohol free vegetable glycerine base.

Ingredients: Maitake Fruiting Body Extract, PD-Fraction® Standardized to contain 30% D-fraction (proteoglucan) 22 mg†

Amount Per Serving:
Serving Size: 6 drops
Servings per Container: 273

Other Ingredients:
Vegetable Glycerin, Water.
Suitable for Vegetarians

CONTAINS NO gluten, Wheat, soy, dairy, artificial colors, flavors or preservatives.

Maitake D-Fraction is one of the most scientifically and clinically studied mushroom extracts.  It has sponsored and/or been involved in scientific research in cooperation with prominent universities and medical centers, including:

  • Memorial Sloan Kettering Caner Center
  • National Cancer Institutes
  • Cancer Treatment Centers of America
  • Georgetown University
  • New York Medical College
  • Indiana School of Medicine
  • Tufts University
  • Shizuoka University (Japan)
  • KURUME University of Medicine (Japan)
  • Osaka Prefecture University (Japan)
  • Obihiro University of Agriculture & Veterinary Medicine (Japan)
  • Saga University (Japan)
  • Showa University (Japan)
  • China Pharmaceutical University (China)
  • National Research Council of Argentina (Argentina)
  • Chikusuikai Institute for Neuroinformation and Hospital (Fukuoka, Japan)
  • Kudan Clinic (Tokyo, Japan)


†*All these statements and information on the product descriptions and this website have not been evaluated by the Food and Drug Administration and are not intended to diagnose, treat, or cure any disease. Always check with your physician before starting a new dietary supplement program.